IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 7 > 974 - 984
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 8 > 1118 - 1132
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 7 > 974 - 984
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 8 > 1118 - 1132